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I want to get into road cycling. What size bike should I get if I am a 5'10" male with a 30-31 ' inseam |
I want to get into road cycling. What size bike should I get if I am a 5'10" male with a 30-31 ' inseam To determine your proper frame size, you鈥檒l first need to get an accurate inseam measurement . Stand with your back against a wall, your bare feet 6" apart on a hard floor, looking straight ahead. Place a book or carpenter鈥檚 square between your legs with one edge against the wall, and pull it up firmly into your crotch, simulating the pressure of your saddle while riding. Have a helper measure from the top edge of the book to the floor, in centimeters. (You can convert inches to centimeters by multiplying inches by 2.54.) Repeat two or three times, for consistency, and average the results to get your inseam length. Source(s): Frame size refers to the length of the frame鈥檚 seat tube. Pro frames are measured along the seat tube in one of two ways, center-to-top (C-T) or center-to-center (C-C). C-T measures the distance from the center of the bottom bracket to the top of the top tube or seat lug (See image bellow). C-C measures from the center of the bottom bracket to the center of the top tube. Since C-T measures to a point higher on the frame, a frame measuring 55cm C-T would also measure roughly 53.5鈥?4cm C-C, a difference of 1鈥?.5cm. To size your C-T road frame, we use a guideline of .67 x inseam length. For example, if you have an 85cm inseam, your C-T frame size would be .67 x 85cm, or 57cm. LeMond鈥檚 formula, from his former coach, Cyrille Guimard, establishes C-C size by the formula .65 x inseam length, which yields virtually the same frame size when you add the 1鈥?.5cm difference between C-C and C-T. Larger riders (6'0" and up) may find that this formula puts them on a too small, and uncomfortable, road frame. A taller cyclist who wants a more comfortable frame may be better off selecting a frame 27鈥?8cm less than inseam length, C-T. For a mountain bike, we start by recommending a frame in the range of 10鈥?2cm smaller than you take in a road frame. For example, if you ride a 55cm C-T road frame, look for a 43鈥?5cm (17鈥?8") C-T mountain frame Source(s): I have also used this on other frame size answers but figure id let you see the info, good luck I don't know but I have a Canondale F900SX Lefty for sale. Think it's a 2001 model. Someone owed me money and gave it to me as payment. a 56cm is probley the best. |
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